book Maths Puzzle Numerical Ability

What is sine of 4theta when it equals radical 3 divided by 2?

Read Solution (Total 0)

book Other Question

Help!!! (please) (thank you)

a bicyclist rode into the country for 5 h in returning her speed was 5 mi/h faster and the trip took 4h what was her speed each way?
A cone and a cylinder have equal bases and equal altitudes. The volume of the cone is what fraction of the volume of the cylinder